During the Brian Mulroney years, it elected Progressive Conservatives but it switched to Liberal when Jean Chrétien came to power.

Don Valley East was one of the seven federal ridings for which the election results were being challenged in court because of automated phone calls ("robocalls") that voters say tried to misdirect them to wrong polling stations.

[3] In October 2012, however, Don Valley East was dropped from the legal case after it was found that Leeanne Bielli, the voter who brought the challenge forward, did not live in the riding.

[4] Joe Daniel remained the Member of Parliament for Don Valley East until the 2015 federal election.

According to the 2021 Canadian census[5] Languages: 44.0% English, 3.6% Tagalog, 3.5% Arabic, 3.1% Mandarin, 2.7% Urdu, 2.3% Spanish, 2.2% Cantonese, 2.1% Greek, 2.0% Dari, 2.0% Gujarati, 1.6% Persian, 1.3% Romanian, 1.2% Tamil, 1.2% Bengali, 1.1% Hindi, 1.0% Korean Religions: 47.9% Christian (19.9% Catholic, 7.7% Christian Orthodox, 2.4% Anglican, 2.0% United Church, 1.2% Presbyterian, 1.1% Pentecostal, 13.6% Other), 22.3% Muslim, 4.5% Hindu, 1.2% Buddhist, 22.1% None Median income: $36,400 (2020) Average income: $50,680 (2020) This riding has elected the following members of Parliament: